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<?php function foo(&$something) { $a = func_get_args(); bar($a[0]); } function bar(&$x) { $x = 2; } $var = 1; foo($var); echo $var;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/U3mWX
function name:  (null)
number of ops:  6
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   ASSIGN                                                   !0, 1
    7     1        INIT_FCALL                                               'foo'
          2        SEND_REF                                                 !0
          3        DO_FCALL                                      0          
    8     4        ECHO                                                     !0
          5      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/U3mWX
function name:  foo
number of ops:  9
compiled vars:  !0 = $something, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        FUNC_GET_ARGS                                    ~2      
          2        ASSIGN                                                   !1, ~2
          3        INIT_FCALL_BY_NAME                                       'bar'
          4        CHECK_FUNC_ARG                                           
          5        FETCH_DIM_FUNC_ARG                               $4      !1, 0
          6        SEND_FUNC_ARG                                            $4
          7        DO_FCALL                                      0          
          8      > RETURN                                                   null

End of function foo

Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/U3mWX
function name:  bar
number of ops:  3
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        ASSIGN                                                   !0, 2
          2      > RETURN                                                   null

End of function bar

Generated using Vulcan Logic Dumper, using php 8.0.0


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